Cottonwood, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cottonwood, a city in Idaho County, Idaho.
This Afternoon
69°F
Sunny
Sunny, with a high near 69. Northeast wind around 7 mph.
7-day forecast for Cottonwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Sunny | 7 mph NE | 2% |
| Tonight | 52°F | Mostly Clear | 3 mph NNW | 2% |
| Sunday | 74°F | Sunny | 2 to 6 mph SE | 1% |
| Sunday Night | 53°F | Mostly Clear | 5 mph WSW | 0% |
| Monday | 78°F | Sunny | 3 to 7 mph SSW | 0% |
| Monday Night | 55°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Tuesday | 76°F | Sunny | 2 to 8 mph ENE | 3% |
| Tuesday Night | 53°F | Partly Cloudy | 2 to 8 mph WNW | 8% |
| Wednesday | 71°F | Mostly Sunny | 2 to 8 mph NNW | 3% |
| Wednesday Night | 49°F | Partly Cloudy | 2 to 8 mph NW | 4% |
| Thursday | 69°F | Mostly Sunny | 2 to 7 mph N | 3% |
| Thursday Night | 49°F | Partly Cloudy | 3 to 7 mph WNW | 7% |
| Friday | 67°F | Mostly Sunny | 3 to 9 mph WNW | 14% |
| Friday Night | 46°F | Slight Chance Light Rain | 2 to 9 mph NW | 17% |
Forecast source: National Weather Service (api.weather.gov) for Cottonwood (46.051, -116.350). Updated through the day.
Growing snapshot for Cottonwood
Last spring frost
May 6
First fall frost
Oct 13
Growing season
156 days
Hardiness zone
6a
More local growing data for Cottonwood: nearby ZIP 83526 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cottonwood 2 Wsw, Id (7.9 mi from Cottonwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.